Vocabulary test - grade 8

the preserved remains or evidence of past living organisms is called a fossil

the process of copying DNA to make another DNA

a rock or sediment layer with distinctive characteristics that make it easily identifiable in correlation.

_______ is a molecule made up of nitrogen base, ribose sugar and a phosphate group

original horizontality is the principle that sedimentary rocks are deposited in vertical layers

_______ is an organisms' genetic material

Uniformitarianism

Cross-cutting concepts: i one geological feature cuts across another feature, the feature that it cuts across is younger

relative age is the age of a rock compared to other features

an unconformity is a surface where the rock has eroded away producing gaps

Piece of an older rock that becomes part of a new rock is called an inclusion